diff --git a/services/web/app/coffee/models/Project.coffee b/services/web/app/coffee/models/Project.coffee
index 1e6f10c5bf..70d4a7bea4 100644
--- a/services/web/app/coffee/models/Project.coffee
+++ b/services/web/app/coffee/models/Project.coffee
@@ -36,6 +36,8 @@ ProjectSchema = new Schema
 	tokens            :
 		readOnly        : { type: String }
 		readAndWrite    : { type: String }
+	tokenAccessReadOnly_refs         : [ type:ObjectId, ref:'User' ]
+	tokenAccessReadAndWrite_refs     : [ type:ObjectId, ref:'User' ]
 	overleaf          :
 		id              : { type: Number }
 		imported_at_ver_id : { type: Number }